Refrigerator



FIG. 1 is a front perspective view of a refrigerator showing my new design;

FIG. 2 is a front view thereof;

FIG. 3 is a rear view thereof;

FIG. 4 is a left-side view thereof;

FIG. 5 is a right-side view thereof;

FIG. 6 is a top view thereof;

FIG. 7 is a bottom view thereof; and,

FIG. 8 is a front perspective view thereof shown with the doors in a closed condition in a state of use.

The broken lines in the figures depict environmental subject matter and form no part of the claimed design.

The dot-dash broken lines in the figures illustrate a boundary of the claimed design and form no part thereof. 

CLAIM I claim the ornamental design for a refrigerator, as shown and described. 